The smallest plan offer 500 GB of traffic per month, 128 MB of RAM, 10 GB of disk space and 500 email accounts with security features like server re-image and data backup, also this plan comes with one domain and 30 sub-domains. Database wise the plan comes with unlimited data base with a nice site building tools like Premium Software Suite and Application Vault.
The largest plan comes with a limited time offer that make customer have the plan for only $1 setup fee, then its free for three months and after its $59.00 per month. This plan comes with 2,000 GB of traffic, 512 MB of RAM and 50 GB of disk space and with all other features that come with small plan. This plan is valid only with 12 month contract term.
Also 1&1 web hosting indicates that virtual private server (VPS) packages are only available to residents of the US and Canada.